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The length of these fids is typically 21 or 22 times the diameter of rope to be spliced. A one-half-inch (12.7 mm) diameter rope would have any accompanying fid 10.5–11 in (266.7–279.4 mm) in length with hash-marks denoting the long and short fid measurements. A short fid is 1 ⁄ 3 a fid length and a long fid is 2 ⁄ 3 the overall fid length.
Eye splice, common whipping thread, fid and Swedish fid. A fid is a hand tool made from wood, plastic, or bone and is used in the process of working with rope. A variety of fid diameters are available depending on the size of rope being used. Styles of fid designs include: [10] A Swedish fid is conical instrument with a somewhat long taper.
Electrical length is widely used with a graphical aid called the Smith chart to solve transmission line calculations. A Smith chart has a scale around the circumference of the circular chart graduated in wavelengths and degrees, which represents the electrical length of the transmission line from the point of measurement to the source or load.
The 1915 textbook Practical Electric Wiring describes the construction of the Western Union splice; short tie and long tie. The short tie splice has it being formed after stripping the insulation from a pair of wires for several inches, each, crossing the wires left over right as shown in figure part A; then, a hooked cross (figure part B) is formed holding the crossing point of the two wires ...
Lineman's pliers are used in the electrical trade to cut, straighten, and bend wire, and also to twist wires together when making splices. Lineman's can be used to strip wire and some types of cable, although wire strippers are more commonly used for this purpose as they can strip wire more quickly without damaging the conductors themselves.
A typical marlinspike with lanyard. A marlinspike (/ ˈ m ɑːr l ɪ n s p aɪ k /, sometimes spelled marlin spike, marlinespike, or [archaic] marlingspike) is a tool used in marine ropework.
Subsequently, the fibers are fused together (welded) with an electric arc. Since no additional material is added, such as gas welding or soldering, this is called a "fusion splice". Depending on the quality of the splicing process, attenuation values at the splice points are achieved by 0.3 dB, with good splices also below 0.02 dB.
Larger electrical cable that has stranded aluminum wires with an outer sheath used for service entrance feeders from a meter to a panel. In the United States, solid aluminum wires made with AA-8000 series aluminum alloy are allowed for 15 A or 20 A branch circuit wiring according to the National Electrical Code. [9]